reed switch


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reed switch

[′rēd ‚swich]
(electromagnetism)
A switch that has contacts mounted on ferromagnetic reeds sealed in a glass tube, designed for actuation by an external magnetic field. Also known as magnetic reed switch.
References in periodicals archive ?
Designed for totalizing cold or hot water flow, the 3/4” CLXC-P Water Meters are available with or without reed switch output.
The highly reliable design of the LS-3 Series level switch operates on a simple principle: a magnet-equipped float moving directly with the liquid surface actuates a hermetically sealed reed switch within the unit's stem.
Ideally suited for lid position sensing in mobile flip-phones, including the latest razor-thin multimedia 3G mobile handsets, this sensor is also optimized for use in portable media players, handheld gaming devices, ultra mobile PCs, thin and light notebook PCs, industrial metering, and reed switch replacements, among others.
The HSR-0025 is cited as more than 50% smaller than the smallest reed switch currently on the market.
A rotation sensor instantly shuts down operation when a broken belt is detected, and a magnetic reed switch and a lint door switch prevent operation when the door is open.
The combination of Meder's reed switches, reed relays and reed sensors, coupled with Standex's reed switch, magnetics and sensor product lines provides the combined global sales forces with a broader suite of products and technologies to address our customers' needs.
Tenders are invited for Supply of solid state reed switch with led
The pulse emitter consists of a plastic housing with a reed switch that is closed when a magnet mounted on one of the flow meter's register number wheels comes into its activation proximity.
The Magnasphere switch is an advancement over reed switch technology for security and industrial applications.
To improve set point accuracy and reduce drift in severe service, the switch has a separate snap-on reed switch subassembly.
Standex International Corporation (NYSE:SXI) today announced that it has acquired Meder Electronic Group ("Meder"), which designs, manufactures and distributes a broad offering of magnetic reed switch, reed relay and reed sensor solutions in an all-cash transaction.
Xue noted that MDT's TMR technology combines the key benefits of existing magnetic sensor technologies such as AMR (Anisotropic Magnetoresistance), GMR (Giant Magnetoresistance), Hall Effect, and Reed switch, while overcoming their critical limitations.